diff --git a/contrib/bsnmp/snmp_mibII/mibII.h b/contrib/bsnmp/snmp_mibII/mibII.h
index d47bc0bf470f..f7b230dc30c9 100644
--- a/contrib/bsnmp/snmp_mibII/mibII.h
+++ b/contrib/bsnmp/snmp_mibII/mibII.h
@@ -58,7 +58,7 @@
 #include "mibII_tree.h"
 
 /* maximum size of the interface alias */
-static const u_int MIBIF_ALIAS_SIZE = 64 + 1;
+#define	MIBIF_ALIAS_SIZE	(64 + 1)
 
 /*
  * Interface list and flags.